90480625

素因数分解:

$5^4\times {\mathrm{71}}^1\times {\mathrm{2039}}^1$

素因数の和:2130

約数の個数: 20

約数和(自身を含む): 114713280

約数和(自身を除く): 24232655

約数列:

[1, 5, 25, 71, 125, 355, 625, 1775, 2039, 8875, 10195, 44375, 50975, 144769, 254875, 723845, 1274375, 3619225, 18096125, 90480625]

約数ペア:

[(1, 90480625), (5, 18096125), (25, 3619225), (71, 1274375), (125, 723845), (355, 254875), (625, 144769), (1775, 50975), (2039, 44375), (8875, 10195)]